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How we got struck by 5–year–old implementation Recently we discovered that we were wrong on computing lock key for acquiring advisory locks. It was already covered as an update to article about building read models, but we thought that telling the whole story behind the issue could be interesting for you.

A join can normally only link two static result sets together, but with LATERAL joins an efficient for-each loop with dependent subqueries can be used.

In this article, Yosra Emad explains how to create a rollercoaster path that a ball follows using cubic beziers and CSS transitions. You’ll also learn how the cubic-bezier function in CSS works in detail and how to stack multiple simple animations to create one complex one.

Making a DNS query in Ruby from scratch

Your team’s manual deployment process doesn’t have to be so manual. Here’s how we automated our team’s deployment process with a few lines of bash and basic Git knowledge.

A Ruby on Rails SaaS starter kit with two-factor authentication, teams spaces, and administration.

A replacement for strong parameters

You might have extended classes or instances in Rails, but do you know you can also extend Rails associations? class Account < ActiveRecord::Base has_many :people, -> { extending FindOrCreateByNameExtension }end

In this article I’ll discuss a strategy for different readability: a simple way to split your routes file on a Ruby on Rails project.

I've been working with Ruby on Rails for about 17 months now and I feel I've learned a lot so far but I want to take my knowledge one step further. For this to happen, I'll establish an actionable list of items that I either want to review or learn

Sidekiq workers consume a lot of memory: how can I fix that?

I learned to code in the Javascript stack [1] and am building a Javascript based product [2]. I never questioned this stack: many companies default to it, JS everywhere seems good, and the community is big. But for my new side project I decided to try Rails because despite some...

Why the Ruby philosophy is the exact opposite of other programming languages?

A common critique of Rails is that it encourages a poor separation of concerns. That when things get serious, you need an alternative that brings the missing pieces. We disagree.

Most programmers are familiar with the concept of premature optimization and the reasons why it’s bad. As a reminder, the main reason premature optimization is bad is because it’s an effort to solve problems that probably aren’t real. It’s more economical to wait and observe where the performance bottlenecks are than to try to predict […]

I am a web developer from Germany, mostly working with Ruby on Rails, but also like to do Frontend Javascript with Vue, Svelte, Server-Deployment with Docker, Ansible, Terraform on Hetzner Cloud or build small mobile Apps with Flutter.

Summarizing all the gems shared by our PM team on product strategy and great teamwork.

A comprehensive guide on drag and drop UI/UX design, including pattern UX examples and UI demos.

Nowadays web application security is a crucial and unfortunately sometimes a bit neglected matter. Today, I'll focus on Content Security Policy - a handy mechanism that can protect our app from XSS attacks.

Wrap Third Party APIs in Service Wrappers to Simplify Your Code

Move fast but don’t break things.

This article will teach you how to create drop-down selects with Rails and Hotwire. I want to add country and state to the user. When users select a country, we want to fetch all states from this country and add to the states input-select. Let's sta...

HTML elements receive different types of events, from click, to blur, to scroll, and so on. One behavior these events have in common is Event Bubbling. I'll explain what this behavior means in this article. I also made a video version of this article which you can watch here [https://www.youtube.com/watch?v=KaHZdW02Tg0].

Other languages don't have this

Guide to deploying Rails apps to AWS with Cloud 66. We'll briefly explore PaaS options like Heroku, before moving to a step-by-step guide.